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- Barrel_cortex abstract "The barrel cortex refers to the dark-staining regions of layer four of the somatosensory cortex where somatosensory inputs from the contralateral side of the body come in from the thalamus. Barrels are found in some species of rodents and species of at least two other orders. The rest of this article will focus on the 'whisker barrels' in the somatosensory cortex of rodents. Inputs from the thalamus carrying information from a given whisker terminate in discrete areas of layer IV forming anatomically distinguishable areas (barrels) which are separated from each other by areas called septa. These structures were first discovered by Woolsey and Van der Loos (1970). Recognizing that the array was similar to that of the vibrissae on the mystacial pad, they hypothesized that the barrels were the "cortical correlates of the mystacial vibrissae" and that "one barrel represents one vibrissa".Due to its distinctive cytoarchitectonics and functional significance, the barrel cortex has played an important role in neuroscience. The majority of what is known about corticothalamic processing comes from studying the barrel cortex and researchers have intensively studied the barrel cortex as a model of neocortical column.Neurons within the layer IV barrel cortex directly code for whisker displacement. That is to say, that the neuron within a given barrel will fire when the whisker that barrel represents is moved. These neurons also show directional sensitivity, certain neurons will only fire when the whisker is moved in a specific direction.Neurons in the barrel cortex exhibit the property of synaptic plasticity that allows them to alter the vibrissae to which they respond depending on the rodent's history of tactile experience. The field of barrel cortex research has matured to the stage where a book has been published on the subject.".
- Barrel_cortex thumbnail RatBarrelFieldCOstain.jpg?width=300.
- Barrel_cortex wikiPageExternalLink default.aspx?pageid=169.
- Barrel_cortex wikiPageExternalLink catalogue.asp?isbn=9780521852173.
- Barrel_cortex wikiPageExternalLink fox-kevin-prof.html.
- Barrel_cortex wikiPageExternalLink en.
- Barrel_cortex wikiPageID "1287722".
- Barrel_cortex wikiPageLength "15310".
- Barrel_cortex wikiPageOutDegree "20".
- Barrel_cortex wikiPageRevisionID "630935588".
- Barrel_cortex wikiPageWikiLink Category:Central_nervous_system.
- Barrel_cortex wikiPageWikiLink Category:Memory_processes.
- Barrel_cortex wikiPageWikiLink Category:Neurophysiology.
- Barrel_cortex wikiPageWikiLink Category:Neuroscience.
- Barrel_cortex wikiPageWikiLink Cortical_column.
- Barrel_cortex wikiPageWikiLink Cytoarchitectonics_of_the_cerebral_cortex.
- Barrel_cortex wikiPageWikiLink Cytoarchitecture.
- Barrel_cortex wikiPageWikiLink File:Barrel_cortex_pathways.jpg.
- Barrel_cortex wikiPageWikiLink Long-term_depression.
- Barrel_cortex wikiPageWikiLink Long-term_potentiation.
- Barrel_cortex wikiPageWikiLink Neocortex.
- Barrel_cortex wikiPageWikiLink Neocortical_column.
- Barrel_cortex wikiPageWikiLink Order_(biology).
- Barrel_cortex wikiPageWikiLink Rodent.
- Barrel_cortex wikiPageWikiLink Secondary_somatosensory_cortex.
- Barrel_cortex wikiPageWikiLink Somatosensory.
- Barrel_cortex wikiPageWikiLink Somatosensory_system.
- Barrel_cortex wikiPageWikiLink Synaptic_plasticity.
- Barrel_cortex wikiPageWikiLink Thalamus.
- Barrel_cortex wikiPageWikiLink Trigeminal_nerve.
- Barrel_cortex wikiPageWikiLink Vibrissa.
- Barrel_cortex wikiPageWikiLink Whiskers.
- Barrel_cortex wikiPageWikiLink File:Labeled40xVibrissae.jpg.
- Barrel_cortex wikiPageWikiLink File:RatBarrelFieldCOstain.jpg.
- Barrel_cortex wikiPageWikiLinkText "Barrel cortex".
- Barrel_cortex wikiPageWikiLinkText "barrel cortex".
- Barrel_cortex wikiPageWikiLinkText "barrels".
- Barrel_cortex wikiPageWikiLinkText "whisker barrels".
- Barrel_cortex hasPhotoCollection Barrel_cortex.
- Barrel_cortex name "Barrel cortex".
- Barrel_cortex neurolex "Barrel cortex".
- Barrel_cortex neurolexid "nlx_81".
- Barrel_cortex wikiPageUsesTemplate Template:BrainMaps.
- Barrel_cortex wikiPageUsesTemplate Template:Infobox_brain.
- Barrel_cortex wikiPageUsesTemplate Template:Reflist.
- Barrel_cortex subject Category:Central_nervous_system.
- Barrel_cortex subject Category:Memory_processes.
- Barrel_cortex subject Category:Neurophysiology.
- Barrel_cortex subject Category:Neuroscience.
- Barrel_cortex type AnatomicalStructure.
- Barrel_cortex type Brain.
- Barrel_cortex type Process.
- Barrel_cortex type Thing.
- Barrel_cortex type Q4936952.
- Barrel_cortex comment "The barrel cortex refers to the dark-staining regions of layer four of the somatosensory cortex where somatosensory inputs from the contralateral side of the body come in from the thalamus. Barrels are found in some species of rodents and species of at least two other orders. The rest of this article will focus on the 'whisker barrels' in the somatosensory cortex of rodents.".
- Barrel_cortex label "Barrel cortex".
- Barrel_cortex sameAs m.04q8w0.
- Barrel_cortex sameAs Q4863332.
- Barrel_cortex sameAs Q4863332.
- Barrel_cortex wasDerivedFrom Barrel_cortex?oldid=630935588.
- Barrel_cortex depiction RatBarrelFieldCOstain.jpg.
- Barrel_cortex isPrimaryTopicOf Barrel_cortex.
- Barrel_cortex name "Barrel cortex".